Ventilated rib gun sight



FIG. 1 is a partial side elevation view of a ventilated rib gun sight in accordance with the present invention;

FIG. 2 is a top plan view thereof with portions of the ribbed pattern having been omitted for convenience of illustration;

FIG. 3 is a fragmentary view similar to FIG. 1 but on an enlarged scale; and

FIG. 4 is a cross-sectional view transverse to the fragmentary section of FIG. 3.

The ventilated rib gun sight has been shown broken away in FIGS. 1 and 2 to indicate indeterminate length, and the broken line showing of the gun barrel in FIG. 1 is for illustrative purposes only. 

The ornamental design for a ventilated rib gun sight, substantially as shown and described. 